<template>
	<div class="shopcart">
		<transition name="fade">
			<div class="cartview-cartmask" v-if="showCartView && !isEmpty" @click.self="showCartView = false">
				<div class="cartview-cartbody">
					<div class="cartview-cartheader">
						<span>已选商品</span>
						<button>
							<i class="fa fa-trash-o"></i>
							<span @click="clear">清空</span>
						</button>
					</div>
					<div class="entityList-cartbodyScroller">
						<ul class="entityList-cartlist">
							<li class="entityList-entityrow" v-for="(food,index) in selectFoods" :key="index">
								<h4>
									<span>{{food.name}}</span>
								</h4>
								<span class="entityList-entitytotal">{{food.activity.fixed_price}}</span>
								<CartControll :food="food" />
							</li>
						</ul>
					</div>
				</div>
			</div>
		</transition>
		<div class="bottomNav-cartfooter" :class="{'bottomNav-carticon-empty': isEmpty}">
			<span class="bottomNav-carticon" @click="showCartView = !showCartView">
				<i class="fa fa-cart-plus"></i>
				<span v-if="totalCount">{{totalCount}}</span>
			</span>
			<div class="bottomNav-cartInfo" @click="showCartView = !showCartView">
				<p class="bottomNav-carttotal">
					<span v-if="isEmpty">未选购商品</span>
					<span v-else>￥{{totalPrice.toFixed(2)}}</span>
				</p>
				<p class="bottomNav-cartdelivery">
					另需配送费{{shopInfo.rst.float_delivery_fee}}元
				</p>
			</div>
			<button class="submit-btn">
				<span v-if="isEmpty">￥{{shopInfo.rst.float_minimum_order_amount}}元起送</span>
				<span v-else @click="settlement">去结算</span>
			</button>
		</div>
	</div>
</template>

<script>
import CartControll from "@/components/Shops/CartControll";
export default {
	props: {
		shopInfo: Object
	},
	data() {
		return {
			totalCount: 0,
			totalPrice: 0,
			selectFoods: [],
			showCartView: false
		}
	},
	computed: {
		isEmpty() {
			let empty = true
			this.totalCount = 0
			this.totalPrice = 0
			this.selectFoods = []
			this.shopInfo.recommend.forEach(recommend=> {
				recommend.items.forEach(item=> {
					if(item.count) {
						empty = false
						this.totalCount += item.count
						this.totalPrice += item.activity.fixed_price * item.count
						this.selectFoods.push(item)
					}
				})
			})

			this.shopInfo.menu.forEach(menu=> {
				menu.foods.forEach(food=> {
					if(food.count) {
						empty = false
						this.totalCount += food.count
						this.totalPrice += food.activity.fixed_price * food.count
						this.selectFoods.push(food)
					}
				})
			})
			return empty
		}
	},
	methods: {
		clear() {
			this.shopInfo.recommend.forEach(recommend=> {
				recommend.items.forEach(item=> {
					item.count = 0
				})
			})

			this.shopInfo.menu.forEach(menu=> {
				menu.foods.forEach(food=> {
					food.count = 0
				})
			})
		},

		settlement() {
			this.$store.dispatch('setOrderInfo', {
				shopInfo: this.shopInfo.rst,
				selectFoods: this.selectFoods
			})
			this.$router.push({path: '/settlement'})
		}
	},
	components: {
		CartControll
	}
}
</script>

<style scoped>
.bottomNav-cartfooter {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  padding-left: 21.066667vw;
  background-color: rgba(61, 61, 63, 0.9);
  height: 12.8vw;
  z-index: 1000;
}
.bottomNav-carticon {
  position: absolute;
  left: 3.2vw;
  bottom: 2vw;
  width: 13.333333vw;
  height: 13.333333vw;
  box-sizing: border-box;
  border-radius: 100%;
  background-color: #3190e8;
  border: 1.333333vw solid #444;
  box-shadow: 0 -0.8vw 0.533333vw 0 rgba(0, 0, 0, 0.1);
}
.bottomNav-carticon > i {
  position: absolute;
  top: 7px;
  right: 0;
  bottom: 0;
  left: 7px;
  color: #fff;
  font-size: 1.6rem;
}
.bottomNav-cartInfo {
  flex: 1;
}
.bottomNav-carttotal {
  font-size: 0.8rem;
  line-height: normal;
  color: #fff;
}
.bottomNav-cartdelivery {
  color: #999;
  font-size: 0.6rem;
}
.submit-btn {
  height: 100%;
  width: 28vw;
  background-color: #38ca73;
  color: #fff;
  text-align: center;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 12.8vw;
  border: none;
  outline: none;
}

.bottomNav-carticon-empty > span {
  background-image: radial-gradient(circle, #363636 6.266667vw, #444 0);
}
.bottomNav-carticon-empty > span > i {
  color: #606065 !important;
}
.bottomNav-carticon-empty .bottomNav-carttotal > span {
  color: #999;
}
.bottomNav-carticon-empty .submit-btn {
  background-color: #535356 !important;
}

.bottomNav-carticon > span {
  position: absolute;
  right: -1.2vw;
  top: -1.333333vw;
  line-height: 1;
  background-image: linear-gradient(-90deg, #ff7416, #ff3c15 98%);
  color: #fff;
  border-radius: 3.2vw;
  padding: 0.833333vw 1.333333vw;
  font-size: 0.6rem;
}

.cartview-cartmask {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 200;
}
.cartview-cartbody {
  position: fixed;
  left: 0;
  width: 100%;
  background-color: #fff;
  bottom: 12.8vw;
  z-index: 201;
  opacity: 1;
  font-size: 1rem;
}
.cartview-cartheader {
  display: flex;
  align-items: center;
  padding: 0 4vw;
  border-bottom: 0.133333vw solid #ddd;
  background-color: #eceff1;
  color: #666;
  height: 10.666667vw;
}
.cartview-cartheader > span {
  flex: 1;
  display: flex;
  align-items: center;
}
.cartview-cartheader > button {
  border: none;
  outline: none;
  flex: none;
  display: flex;
  align-items: center;
  padding-left: 4vw;
  color: #666;
  text-decoration: none;
  font-size: 0.8rem;
  line-height: 4vw;
  background: none;
}
.cartview-cartheader > button > span {
  margin-left: 0.8vw;
}
.entityList-cartbodyScroller {
  overflow: auto;
  max-height: 80vw;
}
.entityList-entityrow {
  border-bottom: 0.133333vw solid #eee;
  display: flex;
  align-items: center;
  padding: 2vw 3.333333vw 2vw 0;
  min-height: 12.666667vw;
  margin-left: 3.333333vw;
}
.entityList-entityrow > h4 {
  flex: 5.5;
  line-height: normal;
}
.entityList-entityrow > h4 > span {
  display: inline-block;
  font-style: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
  max-width: 46.666667vw;
}
.entityList-entitytotal {
  color: rgb(255, 83, 57);
  flex: 2.5;
  text-align: left;
  white-space: nowrap;
  font-weight: 700;
}
.entityList-entitytotal::before {
  content: "\A5";
  font-size: 0.6rem;
  color: currentColor;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.25s ease-out;
}

.fade-enter,
.fade-leave-to {
  opacity: 0;
}
</style>